[8u] RFR (XS) 8255734: VM should ignore SIGXFSZ on ppc64, s390 too

[Aleksey Shipilev]

Thomas, Martin, Goetz,

Do you agree with this backport?

-Aleksey

On 4/19/21 4:23 PM, Aleksey Shipilev wrote:
> Original bug:
>     https://bugs.openjdk.java.net/browse/JDK-8255734
>     https://github.com/openjdk/jdk/commit/54c88132
> 
> The patch does not apply cleanly to 8u, because s390x port is not available in 8u, and there is
> enough context changes (mostly due to JDK-8252324) to fail the automatic patch. 8u variant:
> 
> diff -r 7ab0ec535776 src/os_cpu/aix_ppc/vm/os_aix_ppc.cpp
> --- a/src/os_cpu/aix_ppc/vm/os_aix_ppc.cpp	Thu Oct 24 16:28:51 2019 +0200
> +++ b/src/os_cpu/aix_ppc/vm/os_aix_ppc.cpp	Mon Apr 19 10:54:12 2021 +0200
> @@ -178,7 +178,7 @@
>      // avoid unnecessary crash when libjsig is not preloaded, try handle signals
>      // that do not require siginfo/ucontext first.
> 
> -  if (sig == SIGPIPE) {
> +  if (sig == SIGPIPE || sig == SIGXFSZ) {
>        if (os::Aix::chained_handler(sig, info, ucVoid)) {
>          return 1;
>        } else {
> diff -r 7ab0ec535776 src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp
> --- a/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp	Thu Oct 24 16:28:51 2019 +0200
> +++ b/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp	Mon Apr 19 10:54:12 2021 +0200
> @@ -185,7 +185,7 @@
>      // avoid unnecessary crash when libjsig is not preloaded, try handle signals
>      // that do not require siginfo/ucontext first.
> 
> -  if (sig == SIGPIPE) {
> +  if (sig == SIGPIPE || sig == SIGXFSZ) {
>        if (os::Linux::chained_handler(sig, info, ucVoid)) {
>          return true;
>        } else {
> 
> 
> Reproducer before patch:
> 
> $ build/linux-ppc64le-normal-server-fastdebug/images/j2sdk-image/bin/java Test
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  SIGXFSZ (0x19) at pc=0x00003fff953a3348, pid=80212, tid=0x00003fff93b8f1b0
> #
> # JRE version: OpenJDK Runtime Environment (8.0) (build
> 1.8.0-internal-fastdebug-shade_2021_04_13_10_40-b00)
> # Java VM: OpenJDK 64-Bit Server VM (25.71-b00-fastdebug mixed mode linux-ppc64le compressed oops)
> # Problematic frame:
> # C  [libpthread.so.0+0x13348]  write+0x98
> 
> Reproducer after patch:
> 
> $ build/linux-ppc64le-normal-server-fastdebug/images/j2sdk-image/bin/java Test
> java.io.IOException: File too large
> 	at java.io.FileOutputStream.writeBytes(Native Method)
> 	at java.io.FileOutputStream.write(FileOutputStream.java:313)
> 	at Test.main(Test.java:7)
> Done
> 
> Testing: ppc64le build, reproducer from JDK-8255734
> 


-- 
Thanks,
-Aleksey